<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="css/index.css">
    <script type="module" src="./js/index.js"></script>
</head>

<body>
    <input type="text" id="score-input" disabled value="0" />

    <!-- 外层盒子 -->
    <div class="box">
        <!-- 游戏区域 -->
        <div class="game">
            <!-- .row行 -->
            <div class="row">
                <!-- .col列 -->
                <!-- .black是黑块, 默认没有.black类的时候,为白块 -->
                <div class="col black"></div>
                <div class="col"></div>
                <div class="col"></div>
                <div class="col"></div>
            </div>
            <div class="row">
                <div class="col"></div>
                <div class="col black"></div>
                <div class="col"></div>
                <div class="col"></div>
            </div>
            <div class="row">
                <div class="col"></div>
                <div class="col"></div>
                <div class="col black"></div>
                <div class="col"></div>
            </div>
            <div class="row">
                <div class="col"></div>
                <div class="col"></div>
                <div class="col"></div>
                <div class="col black"></div>
            </div>
        </div>
    </div>
</body>

</html>